Protoboard Breadboard 5x7cm

MQ-8 Hydrogen Gas Sensor Module features:
- Main chip: MQ-8 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
  100ppm- 10000ppm hydrogen H2
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

NRF24L01 Adapter + Socket Wireless Transceiver 2.4GHz features:
- The NRF24L01 + module is powered with 3.3V
- This adapter module includes a 3.3V voltage regulator
- You can connect the NRF24L01 module on it at 5V voltage
- Dimensions of PCB: 25x 18mm
- Quantity: Adapter 1 unit

LCD TFT Display Module 240x320 2.4 SPI features:
- LCD screen TFT 240x320 pixels
- 262,000 possible colors (18 bit)
- Pixel: RGB vertical band
- Driver ILI9341
- SPI interface
- 8-bit digital interface, 4-bit control lines
- Resistive touch screen 4 - cables
- Ideal for projects with ARDUINO, Uno R3, MEGA2560
Helpful Links:
Wiring of the TFT LCD screen 2.4 SPI
- Connect the TFT 2.4 SPI LCD screen with the UNO module
Display graphics and texts on the LCD TFT screen 2.4 SPI
Program a touch calculator on the LCD screen TFT 2.4 SPI

Screen OLED 0.96" 128x64 White SPI I2C 7 Pin features:
- Oled 0.96 "screen with 128 * 64 pixels
- Drive IC model SDD1306
- Power: 3V-5.5V - Viewing angle: 160 degrees
- SPI interface (I2C can be changed)
- Low consumption: 0.08W
- Operating temperature: -20 to 70 ºC
- PCB board dimension: 27 x 27mm
- Supports many control chip: 51 Series, MSP430 Series, STM32 / 2, CSR IC, etc.
- OLED technology offers high contrast, significantly improves black on screen energy efficiency - very low power consumption Applications: - Due to the size, quality and consumption of smart watch products, portable meters , medical devices, portable players, etc.

- WIFI module based on the ESP8266 controller
- ESP8266-12F is an improved version of ESP8266-12E
- It works as a standard WiFi 802.11 b / g / n 2.4 GHz. It is equipped with 22 outputs (pitch 2 mm) of which 11 are GPIO, ADC 1 and SPI. A LED and a PCB antenna have been incorporated
ESP-12F ESP8266 12F WiFi Board Module features:
- Supply voltage: 3.3V (LOGICAL LEVELS: 3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz
- Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP Stack.
- PLL, regulators and integrated energy management units
- Output power: 0.15 (W); + 19.5dBm in 802.11b mode
- Consumption in low energy mode: <10 uA
- Integrated 32-bit processor

Cutting Pliers 130mm features:
- This model is not isolated, please use it without current
- Use to cut soft materials, electronic components, cables, plastic card
- Can also be used for welding work

5x Pushbutton B3F Green Key Omron Electronica Arduino Prototype Switch 12 features:
- 5x Pushbuttons B3F Omron
- 5x Keys
- Maximum current: 50mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals - Weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm

Resistor 4,7M Ohm 5% 0,25W 1/4W features:
-4.7M Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm